CMP63S/BP/KY/RH1M/SB1
这种控制线路在设计上增加了一级中间继电器和时间继电器,可以防止大容量电动机在Y-△转换过程中,由于转换时间短,电弧不能完全熄灭而造成的相间短路。它适用于55kW以上△形接法的大容量电动机,见图9所示。
工作原理是:当接通电源时,时间继电器KT2获电动作,为启动做好准备。按下启动按钮SB1,KM1、KT1、KM3获电动作。KM1常开辅助触点闭合自锁,电动机绕组接成Y形接法降压启动。KT1达到整定延时时间后,KT1延时断开的常闭触点断开,使KM3失电释放;同时KT1延时闭合的常开触点闭合,使中间继电器KA获电动作。KA常闭触点断开使KT2失电释放,同时KA常开触点闭合。当KT2断电,延时触点达到延时时间(0.5~1s)闭合后,KM2才获电动作。这时电动机由Y形接法转换为△形接法,启动过程结束。
CMP63S/BP/KY/RH1M/SB1
REXROTH INDRAMAT MHD071B-035-PG1-UN SERVO MOTOR
Bosch Rexroth Variable Vane Pump PSV PSAF 15ERM 66
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REXROTH INDRAMAT MKD090B-035-GG0-KN MKD090B035GG0KN
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Rexroth Synchronous Servo Motor MHD093B-035-PP1-BN
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REXROTH MSK040C-0600-NN-M1-UP0-NNNN NSPP MSK040C0600NNM
Rexroth Permanent Magnet Motor MHD093B-035-PPO-BN
A10VS010DRG/52R-PKC64N00E BOSCH REXROTH
Rexroth Permanent Magnet Motor MAC112A-0-VD-4-C
Rexroth PPC CONTROLLER W/ETHERNET UP TO 40 AXIS
Rexroth VT-HNC100-1-13/134 HNC100
Rexroth Throttle Valve FE 40 C12/670LM FE40C12670LM
CMP63S/BP/KY/RH1M/SB1